The University of Ceramic Tile and Stone’s (UofCTS) Online “Tile Installer Thin-set Standards (ITS) Verification” Course has been Updated

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The University of Ceramic Tile and Stone (UofCTS) just released an updated version of the popular Tile Installer Thin-set Standards (ITS) Verification course. Both the USA version and the Canadian version of this course were updated, as well as the Spanish version.